Re: [Xen-users] Xen 4.0.1 HVM 2008R2 Citrix PV Drivers

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Mar 24, 2011 at 10:55:21AM +1100, James Harper wrote:
> > 
> > On Wed, Feb 23, 2011 at 03:18:06PM -0500, Keith Coleman wrote:
> > > On Wed, Feb 23, 2011 at 11:09 AM, Roy T. Collins
> > > <RTC@xxxxxxxxxxxxxxxxxxx> wrote:
> > > > Do you have any info on what might be needed?  I have been searching the
> > list archives and google and I cant seem to find any leads on what to look
> > for.  Any points would be appreciated.
> > > >
> > > > There must not be many on the list that are using the Citrix PV drivers.
> > >
> > > XCP 0.1.1 winpv drivers work on xen.org 3.4.3 and 4.x.
> > >
> > > XCP 0.5 and 1.0beta drivers work with some extra effort. Execute the
> > > following commands in dom0 when Windows hangs on boot:
> > > xenstore-rm /local/domain/0/backend/console/[domU_id]
> > > xenstore-rm /local/domain/0/backend/vfb/[domU_id]
> > >
> > > Eventually I'll submit a patch so the newer XCP drivers will just work.
> > >
> > 
> > A patch for this would be very much appreciated!
> > 
> 
> Is the timing of the 'xenstore-rm' command critical? If not you could put it 
> in a shell script in /usr/lib/xen/bin that calls qemu-dm and call that from 
> your script file instead. I do that when I want to turn off log throttling eg:
> 
> #!/bin/sh
> /usr/bin/xenstore-write /local/domain/$2/log-throttling 0
> exec /usr/lib64/xen/bin/qemu-dm $@
> 
> just replace my call to xenstore-write with your calls to xenstore-rm
> 
> Of course if the timing is critical and it has to be done when windows hangs 
> it will be a bit harder...
> 

Thanks for the hint! I'm not sure if it's timing sensitive..

-- Pasi


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